Im p1(V ), Im p2 (V ) 4 L∗ = 41.67 mH V = -7 V Re p1 = 0 Im p1 = 2.4495 V = -6.95 V 2 V = -7.1 V V = -4.9 V V = -8.1 V -8 -6 V = -8.7 V -4 V = -5 V V = -0.55 V V = 8.7 V -2 Re p1(V ), Re p2 (V ) 0 V = 8.7 V V = -8.7 V V = -8.1 V V = -0.55 V V = -5 V V = -4.9 V -2 V = -6.95 V V = -7.1 V V = -7 V Re p2 = 0 Im p2 = -2.4495 -4 (a) Im p1(L ), Im p2 (L ) V = -7 V 4 L = L∗ = 41.67 mH Re p1 = 0 Im p1 = 2.4495 L = 40.67 mH L = 42.67 mH 2 L = 95 mH L = 10 µH L = 18.8 mH -∞ 0 -5 5 L=∞ L = 18.8 mH L=0 L = 453.03 mH L=∞ L=0 Re p1(L ), Re p2 (L ) L = 95 mH L = 453.03 mH L = 10 µH -2 L = 42.67 mH L = 40.67 mH -4 L = L∗ = 41.67 mH Re p2 = 0 Im p2 = -2.4495 (b) Figure 8. (a). loci of the real and imaginary parts of poles of YC (s, V) where the input voltage V is a parameter and the inductance L = L * = 41.67 mH. (b). loci of the real and imaginary parts of poles of YC (s, V) where the external inductance l is a parameter and the voltage V = - 7 V. 22 IEEE cIrcuIts and systEms magazInE sEcOnd quartEr 2018